Retractor blade



FIG. 1 is a front perspective view of a retractor blade, showing our new design;

FIG. 2 is a back perspective view of the retractor blade of FIG. 1;

FIG. 3 is a front view of the retractor blade of FIG. 1;

FIG. 4 is a back view of the retractor blade of FIG. 1;

FIG. 5 is a right side view of the retractor blade of FIG. 1; and,

FIG. 6 is a left side view of the retractor blade of FIG. 1.

The broken lines immediately adjacent the claim represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a retractor blade, substantially as shown and described. 